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<3> servlet的配置测试
<<1>>编写并编译如下的简单servlet
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("Hello World");
out.println("<p><p><p><p><div align='right'>author's email:zhjx_10@hotmail.com</div>");
}
}
<<2>>在test.war文件夹下建立一个WEB-INF目录,里面再建立一个classes目录和web.xml文件目录结构如下:
[test.war]
[WEB-INF]
[classes]
web.xml
将编译成功的HelloWorld.class放置到classes目录下,web.xml内容如下:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2.2.dtd">
<web-app>
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>HelloWorld</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>/HelloWorld</url-pattern>
</servlet-mapping>
</web-app>
通过调用http://localhost:8080/test/HelloWorld 就可以看到hello world的输出
<4>session bean的测试(Hello)
这是一个简单的stateless session bean的测试
<<1>>Hello.java
import java.rmi.RemoteException;
import javax.ejb.EJBObject;
public interface Hello extends javax.ejb.EJBObject {
public String hello() throws java.rmi.RemoteException;
}
<<2>>HelloHome.java
import java.rmi.RemoteException;
public interface HelloHome extends javax.ejb.EJBHome {
&nbs
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